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Here are some ressources related to Time, Quantum, Relativity. Hoping you will find learning material, alternative tools or just some interesting stuff.

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Articles

I think faster than light travel is possible [video]
See discussion (209 comments, 144 points) - Archive
What time is it on the moon?
See discussion (43 comments, 93 points) - Archive
Earth now weighs six ronnagrams: New metric prefixes voted in
See discussion (203 comments, 247 points) - Archive
The best proof that the Earth spins
See discussion (44 comments, 91 points) - Archive
Hate leap seconds? Imagine a negative one
See discussion (108 comments, 156 points) - Archive
Why can’t I go faster than the speed of light?
See discussion (215 comments, 271 points) - Archive
The New Thermodynamic Understanding of Clocks
See discussion (43 comments, 90 points) - Archive
Notes Regarding Dupuis’ 1910 Elements of Astronomy [pdf]
See discussion (14 comments, 83 points) - Archive
One Tenth of a Second
See discussion (91 comments, 210 points) - Archive
Julian Barbour’s ideas about time and the universe have roamed free of academia
See discussion (76 comments, 98 points) - Archive
Obsolete German Units of Measurement
See discussion (105 comments, 84 points) - Archive
Quixotic Californian crusade to officially recognize the hellabyte
See discussion (97 comments, 120 points) - Archive
The Earth has been spinning faster lately
See discussion (88 comments, 146 points) - Archive
A Spacetime Surprise: Time Isn’t Just Another Dimension
See discussion (173 comments, 271 points) - Archive
Einstein's missed opportunity to rid us of 'spooky actions at a distance'
See discussion (195 comments, 117 points) - Archive
NIST Pair of Atomic Clocks Reveal Einstein's Relativity at a Personal Scale
See discussion (55 comments, 118 points) - Archive
Keeping Time at NIST
See discussion (23 comments, 87 points) - Archive
Do we really travel through time with the speed of light?
See discussion (201 comments, 354 points) - Archive
You advocate a ________ approach to calendar reform (2013)
See discussion (152 comments, 145 points) - Archive
What happens to Google Maps when tectonic plates move?
See discussion (53 comments, 188 points) - Archive
2019 redefinition of the SI base units
See discussion (92 comments, 85 points) - Archive
Why the Flow of Time Is an Illusion
See discussion (192 comments, 147 points) - Archive
Usain Bolt’s Split Times and the Power of Calculus
See discussion (18 comments, 115 points) - Archive
Time Travel (2006)
See discussion (82 comments, 119 points) - Archive
Measuring the size of the Earth by watching a shadow on a wall
See discussion (16 comments, 104 points) - Archive
“Diagram of All Space and Time” by Carl Sagan (1960s?)
See discussion (30 comments, 184 points) - Archive
In the fundamental physics of the world, there is neither space nor time
See discussion (79 comments, 164 points) - Archive
Carlo Rovelli on challenging our common-sense notion of time
See discussion (74 comments, 110 points) - Archive
What Time Looks Like to Philip Glass
See discussion (56 comments, 106 points) - Archive
Gödel and the unreality of time
See discussion (129 comments, 196 points) - Archive
Turbo Pascal navigational aids that saved my life in 1991
See discussion (21 comments, 93 points) - Archive
The illusion of time
See discussion (141 comments, 112 points) - Archive
An explorable explanation of relativistic spacetime
See discussion (57 comments, 150 points) - Archive
Why scientists are redefining the kilogram
See discussion (73 comments, 114 points) - Archive
That Alien Message
See discussion (57 comments, 132 points) - Archive
Time Is Contagious
See discussion (15 comments, 131 points) - Archive
17776
See discussion (7 comments, 124 points) - Archive
NIST to redefine the kilogram based on a fundamental universal constant
See discussion (84 comments, 191 points) - Archive
What If Time Really Exists? (2008)
See discussion (204 comments, 158 points) - Archive
All Olympic gold medal winners in the 100m sprint compared in one race
See discussion (95 comments, 183 points) - Archive
Why There Are So Many Ties in Swimming
See discussion (54 comments, 156 points) - Archive
Answer: How many center-pivot irrigation systems do you see?
See discussion (50 comments, 88 points) - Archive
Lifting a Million Pounds of Stainless Steel
See discussion (27 comments, 82 points) - Archive
Time Machines
See discussion (54 comments, 186 points) - Archive
Olbers’ Paradox: Why Is the Sky Dark at Night? (2000)
See discussion (143 comments, 264 points) - Archive
How the Speed of Light Was First Measured
See discussion (37 comments, 85 points) - Archive
The Space Doctor’s Big Idea
See discussion (90 comments, 409 points) - Archive
The pace of major breakthroughs has declined
See discussion (127 comments, 109 points) - Archive
Is Faster-Than-Light Travel or Communication Possible? (1997)
See discussion (86 comments, 102 points) - Archive
A clock that can detect tiny shifts in the flow of time itself
See discussion (149 comments, 259 points) - Archive
The kilo is losing weight, changing all of science
See discussion (115 comments, 129 points) - Archive
The theory of relativity in words of four letters or less
See discussion (126 comments, 228 points) - Archive
Why nothing can go faster than the speed of light
See discussion (222 comments, 431 points) - Archive
Eliezer Yudkowsky: That Alien Message
See discussion (33 comments, 91 points) - Archive
Clocks, Kids, and General Relativity on Mt Rainier
See discussion (19 comments, 86 points) - Archive
Getting the Lorentz transformations without requiring an invariant speed (2015)
See discussion (56 comments, 112 points) - Archive
You almost never see a clock at the mall
See discussion (178 comments, 193 points) - Archive
What happens to Google Maps when tectonic plates move? (2020)
See discussion (79 comments, 256 points) - Archive
Will we have a negative leap second? [pdf] (2022)
See discussion (72 comments, 89 points) - Archive
How fast can a human possibly run 100 meters?
See discussion (219 comments, 144 points) - Archive